git.maemo.org Git - opencv/blob - apps/Hawk/demos/ds_laplace.c

   1 char wname[] = "Processed frame";\r
   2 char barname1[] = "Red";\r
   3 char barname2[] = "Green";\r
   4 char barname3[] = "Blue";\r
   5 int slider_pos[3] = {16, 16, 16};\r
   6 IPLIMAGE im = 0;\r
   7 IPLIMAGE temp = 0, temp16 = 0;\r
   8 \r
   9 void threshold(IPLIMAGE in, IPLIMAGE out, int* thresh)\r
  10 {\r
  11     IplROI roi = {0, 0, 0, 0, 0};\r
  12     int i;\r
  13     \r
  14     roi.width = in->width;\r
  15     roi.height = in->height;\r
  16     in->roi = &roi;\r
  17     out->roi = &roi;\r
  18     \r
  19     if(!temp)\r
  20         temp = cvCreateImage(cvSize(in->width, in->height), IPL_DEPTH_8U, 1);\r
  21     if(!temp16)\r
  22         temp16 = cvCreateImage(cvSize(in->width, in->height), IPL_DEPTH_16S, 1);\r
  23     temp->origin = in->origin;\r
  24     temp16->origin = in->origin;\r
  25    \r
  26     for(i = 0; i < 3; i++)\r
  27     {\r
  28         roi.coi = i + 1;\r
  29         //cvThreshold(in, out, (char)(thresh[i]*8), 255, CV_THRESH_BINARY);\r
  30         cvCopy(in, temp,0);\r
  31         cvLaplace(temp, temp16, 5);\r
  32         cvConvertScale(temp16, temp,1,0);\r
  33         cvCopy(temp, out,0);\r
  34     }\r
  35     \r
  36     in->roi = 0;\r
  37     out->roi = 0;\r
  38 }\r
  39 \r
  40 void process(IPLIMAGE image)\r
  41 {\r
  42     if(!im)\r
  43         im = cvCloneImage(image);\r
  44     else\r
  45         cvCopy(image, im,0);\r
  46         \r
  47     \r
  48     threshold(im, im, slider_pos);\r
  49     show_iplimage(wname, im);\r
  50 }\r
  51 \r
  52 named_window(wname, 0);\r
  53 create_trackbar(barname1, wname, &slider_pos[0], 31, 0);\r
  54 create_trackbar(barname2, wname, &slider_pos[1], 31, 0);\r
  55 create_trackbar(barname3, wname, &slider_pos[2], 31, 0);\r
  56 play_ds(process);\r